std::recursive_mutex - cppreference.com
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      std::recursive_mutex

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      Exclusão mútua
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      Mutual exclusion
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      Gestão de bloqueio genérico
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      Generic lock management
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      std::recursive_mutex
      Funções de membro
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      Member functions
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      recursive_mutex::recursive_mutex
      Bloqueio
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      Locking
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      recursive_mutex::lock
      recursive_mutex::try_lock
      recursive_mutex::unlock
      Identificador nativo
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      Native handle
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      recursive_mutex::native_handle
       
      <tbody> </tbody>
      Definido no cabeçalho <mutex>
      class recursive_mutex;
      		 (desde C++11)
      A classe recursive_mutex é um primitivo de sincronização que pode ser usado para proteger os dados compartilhados de ser acessado simultaneamente por vários segmentos.
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      The recursive_mutex class is a synchronization primitive that can be used to protect shared data from being simultaneously accessed by multiple threads.
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      recursive_mutex ofertas exclusivas, semântica de propriedade recursiva:
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      recursive_mutex offers exclusive, recursive ownership semantics:
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      • Um segmento chamado' possui um recursive_mutex por um período de tempo que começa quando ele chama com êxito ou lock ou try_lock. Durante este período, a linha poderá fazer chamadas adicionais para lock ou try_lock. O período de posse termina quando o segmento faz um número correspondente de chamadas para unlock.
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        A calling thread owns a recursive_mutex for a period of time that starts when it successfully calls either lock or try_lock. During this period, the thread may make additional calls to lock or try_lock. The period of ownership ends when the thread makes a matching number of calls to unlock.
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      • Quando um segmento possui um recursive_mutex, todos os outros segmentos irá bloquear (para chamadas para lock) ou receber um valor de retorno false (para try_lock) se tentarem reivindicar a posse do recursive_mutex.
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        When a thread owns a recursive_mutex, all other threads will block (for calls to lock) or receive a false return value (for try_lock) if they attempt to claim ownership of the recursive_mutex.
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      • O número máximo de vezes que um recursive_mutex pode ser bloqueado não é especificado, mas após esse número é atingido, as chamadas para lock vai jogar std::system_error e chama a try_lock voltará false.
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        The maximum number of times that a recursive_mutex may be locked is unspecified, but after that number is reached, calls to lock will throw std::system_error and calls to try_lock will return false.
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      O comportamento de um programa é indefinido se um recursive_mutex é destruído enquanto ainda pertence por alguma thread. A classe recursive_mutex não é copiável.
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      The behavior of a program is undefined if a recursive_mutex is destroyed while still owned by some thread. The recursive_mutex class is non-copyable.
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      Tipos de membro

      Tipo de membro
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      Member type
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      		 Definition
      native_handle_type
      Definida pela implementação
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      implementation-defined
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      Funções de membro